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The Middle Three
People → Republic of Korea → HyunDong You (유현동)

People · Republic of Korea

HyunDong You (유현동)

4×4 · top 0.06% of 83,917 all-time · competing since July 2011 · 2011HYEO01

HyunDong You (유현동) has been competing for 15 years. His best event is the 4×4: a personal-best single of 20.18, set at Hamoye Jinju 2026, puts him in the top 0.06% of the 83,917 people who have ever been ranked in the event, and 3rd in Republic of Korea. Until June 2017, no official 4×4 solve in the world had been that fast. Across 26 competitions since July 2011, he has put 847 official solves on the record across eleven events. Solve to solve, his 3×3 times vary about 11% around a typical one, steadier than 92% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 10.65 in July 2011 to 6.03, a 43% improvement. HyunDong has entered 26 competitions, more competitions than 98% of everyone who has ever competed.

4×4
best event — top 0.06% of 83,917 all-time
20.18
signature single · Hamoye Jinju 2026
847
official solves on the record
11%
solve-to-solve spread · steadier than 92% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingRepublic of Korea
4×420.1827.22
top 0.06%3 / 1,308
3×3 one-handed8.6712.03
top 0.38%7 / 966
3×36.037.38
top 0.5%36 / 4,352
5×549.1354.41
top 1.5%20 / 716
2×21.853.70
top 3.9%106 / 2,319
6×61:44.141:49.07
top 5.2%25 / 329
Megaminx57.331:04.90
top 8.6%62 / 524
7×72:57.863:06.65
top 10.0%38 / 254
Pyraminx6.7013.68
top 25.4%389 / 1,271
Clock39.73—
early days — 2 solves518 / 536
Skewb27.85—
early days — 2 solves832 / 854

Percentile against all competitors ever ranked in each event, a fairer measure than raw rank, because the pools differ by a factor of ten.

The line so far

Korean Championship 2011: 10.65Cubing Korea New Years 2012: 9.27Korean Style 2013: 7.97Korea New Year 2014: 8.07Korea Winter 2015: 7.68Busan Winter 2016: 6.983x3x3 HanMaDang 2017: 7.57KAIST Spring 2017: 7.68Korean CWR Style 2017: 7.54Busan Winter 2018: 8.06Korean Championship 2022: 6.65Korean Championship 2024: 7.96Cavite Speedcubing Open X 2024: 7.69Happy Suseong 2025: 6.33Daejeon Spring 2025: 6.85Rubik's WCA World Championship 2025: 7.51Hawaiian Island Tour - Kona 2025: 6.46Hawaiian Island Tour - Waimea 2025: 7.09Hawaiian Island Tour - Hilo 2025: 6.03We Laugh Pohanghang 2025: 6.34Korean Championship 2025: 7.57Hamoye Jinju 2026: 7.24Korea Open 2026: 6.856.0310.6531 Jul 201115 Aug 2026

Best single per competition, 3×3. Faster is higher — the axis is the right way up.

The story so far

Competitions

Reading this page: a single is one solve's time · an average is the middle three of five solves, best and worst discarded · a PB is a personal best · a DNF (did not finish) is an attempt with no valid result: a popped piece, an unsolved face, an over-limit memorisation · top X% compares against everyone ever ranked in that event, which is fairer than raw rank because event pools differ tenfold.

The circuit

The people whose scorecards keep turning up next to his.

Next targets

  • A sub-20 4×4 single — 42 people have one; it is 0.18 away.
  • A sub-8 3×3 one-handed single — 151 people have one; it is 0.67 away.

Targets move as he improves.